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外文翻译--浅谈我国混凝土简支梁桥施工技术与发展.doc

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外文翻译--浅谈我国混凝土简支梁桥施工技术与发展.doc

专业文献翻译题目TalkingaboutChinasconcretesimplebridgeconstructiontechnologyanddevelopment系建筑工程学院专业土木工程班级学生姓名导师姓名完成日期TalkingaboutChinasconcretesimplebridgeconstructiontechnologyanddevelopmentWiththeadvancesintechnology,theoriginalconcretesimplebridgehasbeenthemethodofclassificationdoesnotreflectadvancesintechnology,forthesakeofitmaywishtosupportinsituintolaw,theentireholeandtheerectionofmobiledielawcategory.Thispaperontheconcretesimplebridgeoftheconstructionmethodattheintroductionandconclusion,theconstructionprogrammewithaviewtotheformulationandimplementationoftheguidingrole.1stentinsitulawStentinsitumeansthatthelawunderthebeamErectionstenttosupportthetemplateofreinforcedconcretepouringandotherworkingload,thelastbridgewiththeconstructionmethod.Althoughthestentisatemporarystructureconstruction,butitaffectsbodymassandbeamconstructionsafety,mustbetakenseriously.Generalshouldnotethefollowingissues1sufficientstrength,rigidityandstability.Supportmustbereliablywithstandtheconstructionprocessmayhaveinthevariousloads,andtheloadtypeandsizeoftheestimateisthekey,accordingtoconstructionspecificationsandconstructionexperiencetobeconfirmedstenttobebasedonreliable,basedontheresultsofthestent,forthemostAdverseconditionsonthebasisofdesign,andthefoundationtocarryoutthenecessarytreatmenttemporarystructureinthecomponentconnectionistoensurethatthekeytooverallstability,wemustensurethattheconnectionpointofsecurity,andhaveenoughvertical,horizontal,rampsconnectingrodPiecesandpreventtheemergenceoftheoverallfailureorpartialfailure.Generallyspeaking,thestrengthofsupportmoreeasilybeguaranteed,butwiththestabilityoftenoverlooked.Thereasonisthatthestructureofthestabilityofthemoredifficulttocalculate,butwiththeemergenceoflargescalecommercialsoftware,theproblemwasgraduallyresolvedmoreimportantforthestent,whenthereisnoabsolutegrasponstability,simulationanalysisshouldbeconducted.2determinetheelevationmodellegislation.MostbridgeshaveadesignintheprecamberChangsaidthedesignofprearch,andwillsupportavarietyofloadsintheroleofdeformationandthereforehavetoconsidertheimpactthatthestentdeformationOxfamTheprecamber.Duringtheconstruction,mustbecalculatedpreconstructionanddesignofthearcharch,todeterminethecorrectelevationmodellegislation,thusguaranteeabridgetomeetthedesignandspecificationsoftheline.ToobtainamorepreciseconstructionPrecamber,ifnecessary,tosupportprepressuretesting,todeterminethesupportofnonelasticdeformationandelasticdeformationvalues,tovalidateconstructioninthecalculationofthevariousparameters.3dumpingequipment.Tosetuptheinsitustentdisposalequipment,shouldbechargedsymmetrical,uniform,themainbeamtopreventapartialstress.Thepastwithequipmentcommonlyusedfordumpingsandwedgeandextinguishers,andJacknowusestandardequipmentwithdedicatedequipment.Althoughthestructuredidnotsupportthenumberofchanges,buttheequipmentusedbythestentthanthelastgreatchangeshavetakenplace.Nowcommonlyusedstandardequipmentfightstentgroup,suchassteelpipebowlbuttonupscaffolding,universalmembers,Baileybeam,June4militarybeam,entrysteeltrussgirder,August7steelgirder,6August3and5TunTun,andsoon,allconstructionunitsaccordingtotheiractualsituationinwhichtheuseofoneormoreofthefightstentgroup.Usingstandardequipmentgroupfightstent,theconstructionspeed,highintensitysupport,goodstability,andaAbettereconomicperformance.Constructionofthebridgeinthecity,thebridgegenerallyisnothigh,sousealargebowlbuttonuppipescaffolding,touseitsadjustableentrustedwiththeelevationofadjustmentandholdoffisveryconvenientinaTrafficflow,theuseofbeamsupportandmilitarypierwithacertainclearance.Supportcastinplacemethod,thekeyistofightstentgroup,shouldgivefullconsiderationtoloadandstrengthenstructuralconnections,adetailedanalysistoensureconstructionsafetyandquality.2erectionoftheentirelawWholebuildingmethodisusedfactoryprefabricatedbeam,beamwillbetransportedtothebridgesiteandinstallinplaceoftheway.Suchmethodsintheerectionofthemaintruckcrane,gantrycraneerectedacrossthebridge,bridgebuildingspecies.Whenthewaterunderneathandrelativelyflat,longspanbeamcanbeusedforsmalltruckcrane,longspanbeamorthebeamofaheavierspanbridgecangantrycrane.Whenthebridgetrafficshouldnotbeinterference,orbridgedeepditchinthewater,andotherconditionsdonotallowthescenewhenitneedsatopthatis,abridgebuilding.Inwhatway,shapeaccordingtothesite,equipmentandbeamweight,comparison,theerectionofamoreeconomicway,thefollowingmajorhighwaybridgeanditsturntothedomesticBridgeassembledandcanbedividedintostandardTwo.Mainbridgeassembledusingstandardequipment,tobebasedonsizeandweightbeambridgemachineassembledatthemainbeamIntroductionbeam,correspondingtotheconfigurationofliftingupandrunninginstallations,leadingtoerectionofLiang.I.LiangusedequipmentfortheBaileygeneral,universalmembers,militarybeam,Baileyguidedspanbeambridgeasapplicableinthefollowing30muniversalmembersguidedbeambridgingamoreflexible,largerscopeofapplicationofthespan,butRodboltsforthefightevenlargergroupworkloadmilitaryLiangLiangBridgeguidedgroupsfightone,andasinglelayerordoublemilitaryfightGroupI.LiangLiang,itsapplicationspanFanwidely,from16mto50mareCan,liftingcapacitycanbeguidedthroughthebeambyafewfilmsmoreeasilybeguaranteed7.AssembledBridgethesuddenadvantageofconvenienttransportation,thegroupfightsimple,Jianzuootherstructuralweaknessessothatthedegreeofmechanizationisnotstandardbridgemachine,butbecauseofthesingleeconomicgoodworksinourcountrytoplayabridgebuildingFocusonuse.Inthestandardbridgemachine,in1992developedaJQG80highwaybridgemachine,thenhaveproducedaseriesofbridgingDFEBGseriesofbridges,erectedtobeamtonnage4001600kspanfortheerectionof2050m,bothFromthestructuralformofwayorhavedifferentlevelsofinnovation.Thecurrentstandardofthebridgestructureformthemaindifferenceisthatbridgingtheverticalplaneonthewaymajorshiftwalkerandverticalshiftthecantileverraillineshiftkindofvertical.largestcantileverraillineverticalshiftmeansalowcenterofgravity,lightweight,canbuildasmallerradiusofthecurvebridgesmerits,itsshortcomingsarecantileveredverticalaxleloadlargershiftinthecourseofthebarebeammayhavebeencausedHarm,tobeusedtoloaddistributionmethodssuchastheprotectionofbarebeams.Andstepverticalshiftthewayforconstructionofbridgeloadonlyroleinabarebeambridgeandthefirststage,withouttheaboveproblemitsshortcomingsistheweightofthestructureThehighcostoferectingaradiusofthebridgeisalsolarger,thefocusofsomeofthecurrentrelativelyhighstandardofbridgeinthemoreadvancedsingleDJisguidedbeambridgemachine8,canbeusedtobuildspanofnotmorethan50mofsimpleBeamcanbeerectedstraightbridge,Xieqiao,curvedbridge,portabilityedgebeamtelopingfirstplace,toachievefullfacebeamshiftmechanization.Theaircraftin2002throughtheidentificationofnewproducts,ourroadsandbridgesinthehistoryofthedevelopmentofaninitiative.Theaircraftusedforsinglearmfastingboxgirdermasterofthecomponentswithtwolightthemselvestelescopicarmusedforsafeandreliableguidethroughholeusedtorackgeartransmissionwithtwoselflockingofthegooduseofhydraulicmotordrivenroller,BrakereliablecontrolsystemusesHitachiPLCcontrol,interlockingofgoodwillfromtoptobottomarmmovements,beforeandafterstretching,aboutBaitou,insituUturn,setupXieqiao,curve

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